﻿/*

  The contents of this file are subject to the Mozilla Public License Version
  1.1 (the "License"); you may not use this file except in compliance with
  the License. You may obtain a copy of the License at 
  
           http://www.mozilla.org/MPL/ 
  
  Software distributed under the License is distributed on an "AS IS" basis,
  WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
  for the specific language governing rights and limitations under the License. 
  
  The Original Code is AST'r Framework.
  
  The Initial Developer of the Original Code is
  ALCARAZ Marc (aka eKameleon) <vegas@ekameleon.net>.
  Portions created by the Initial Developer are Copyright (C) 2004-2007
  the Initial Developer. All Rights Reserved.
  
  Contributor(s) :
  
*/

import andromeda.util.visitor.IVisitable;
import andromeda.util.visitor.IVisitor;

import egallery.display.gallery.PictureDisplay;

import vegas.core.CoreObject;
import vegas.errors.IllegalArgumentError;

/**
 * This class release the view and the properties of a PictureDisplay.
 * @author eKameleon
 */
class egallery.visitors.ReleaseVisitor extends CoreObject implements IVisitor 
{
	
	/**
	 * Creates a new ReleaseVisitor instance.
	 */
	public function ReleaseVisitor() 
	{
		super();
	}

	/**
	 * Release the PictureDisplay reference. Visit the IVisitable object. 
	 * Initialize the Picture and remove the target reference. 
	 */
	public function visit( o:IVisitable ):Void
	{
		if (o instanceof PictureDisplay)
		{
			getLogger().debug( this + " visit " + o ) ;
			PictureDisplay(o).view.removeMovieClip() ;
		}
		else
		{
			throw new IllegalArgumentError(this + " 'visit' method failed, the argument of this method must be a PictureDisplay instance.") ;	
		}
	}

}